O formach zavisimosti v sel'skom chozjajstve rimskoj Gallii I - III vv. (Russ.m.engl.Res.) Epigraphical and archaeological evidence on form of dependence in the agriculture of Roman Gaul, I - III centuries - Belova, N.N (Vestnik drevnej istorii, 1970,1.1970, 1970)